diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-09-25 03:16:01 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-09-25 03:16:01 +0000 |
| commit | e94cb41ac46e75c3fc960ead75224635c575752f (patch) | |
| tree | 0eaf13c0e8ce9ebdf1f3071010978dc526f1a807 /MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.asm | |
| parent | 73269bfb71137f978fa49e9f80c9ccac15712e59 (diff) | |
| download | edk2-platforms-e94cb41ac46e75c3fc960ead75224635c575752f.tar.xz | |
Rename
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5984 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.asm')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.asm | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.asm b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.asm new file mode 100644 index 0000000000..77b8cf43aa --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.asm @@ -0,0 +1,67 @@ +;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation
+; All rights reserved. This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution. The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+; SetMem16.asm
+;
+; Abstract:
+;
+; SetMem16 function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+ .code
+
+;------------------------------------------------------------------------------
+; VOID *
+; InternalMemSetMem16 (
+; IN VOID *Buffer,
+; IN UINTN Count,
+; IN UINT16 Value
+; )
+;------------------------------------------------------------------------------
+InternalMemSetMem16 PROC USES rdi
+ mov rdi, rcx
+ mov r9, rdi
+ xor rcx, rcx
+ sub rcx, rdi
+ and rcx, 15
+ mov rax, r8
+ jz @F
+ shr rcx, 1
+ cmp rcx, rdx
+ cmova rcx, rdx
+ sub rdx, rcx
+ rep stosw
+@@:
+ mov rcx, rdx
+ and edx, 7
+ shr rcx, 3
+ jz @SetWords
+ movd xmm0, eax
+ pshuflw xmm0, xmm0, 0
+ movlhps xmm0, xmm0
+@@:
+ movntdq [rdi], xmm0
+ add rdi, 16
+ loop @B
+ mfence
+@SetWords:
+ mov ecx, edx
+ rep stosw
+ mov rax, r9
+ ret
+InternalMemSetMem16 ENDP
+
+ END
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